Which of the following methods are effective in controlling photochemical smog? a. Use of catalytic converters in automobiles b. Controlling primary precursors so that generation of secondary precursors is reduced c. Planting trees like Pinus, Vitis, Quercus, etc.

Question

Which of the following methods are effective in controlling photochemical smog? a. Use of catalytic converters in automobiles b. Controlling primary precursors so that generation of secondary precursors is reduced c. Planting trees like Pinus, Vitis, Quercus, etc. (A) a, b and c (B) only a and b (C) only b and c (D) only a

Tardigrade Admin · Accepted Answer

Correct answer is (a) a, b and c

Q. Which of the following methods are effective in controlling photochemical smog? a. Use of catalytic converters in automobiles b. Controlling primary precursors so that generation of secondary precursors is reduced c. Planting trees like Pinus, Vitis, Quercus, etc.

a, b and c

only a and b

only b and c

only a

Correct answer is (a) a, b and c

Q. Which of the following methods are effective in controlling photochemical smog?
a. Use of catalytic converters in automobiles
b. Controlling primary precursors so that generation of secondary precursors is reduced
c. Planting trees like Pinus, Vitis, Quercus, etc.